5615 Series - Secondary reference PRT/RTD probes These probes are the workhorse of secondary calibration laboratories around the world. With a calibration uncertainty at 0°C of just ±0.012°C, the 5615 is a great reference standard for comparison calibrations in a bath or dry-well. The 5615 comes in your choice of 12, 9, or 6 inch sheath lengths. The 12-inch and 9-inch probes range from –200 to 420°C, and the 6-inch covers the temperature range from –200 to 300°C. The 12-inch probes have a sheath diameter of 1⁄4", and the 9- and 6-inch probes have a sheath diameter of 3⁄16".
Available for sale in the United States and Canada only.